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|Title:||Influence of parameters during induction heating cycle of 7075 aluminium alloys with RAP process|
Atkinson, Helen V.
|Publisher:||Trans Tech Publications|
|Citation:||Solid State Phenomena, 2008, 141-143, pp. 719-724|
|Abstract:||Thixoforging involves shaping alloys with a globular microstructure in the semi-solid state. To reach this kind of material, the Recrystallisation and Partial Melting (RAP) process can be used to obtain a globular microstructure from extruded material with liquid penetrating the recrystallised boundaries. Induction heating is used to apply the RAP process to slugs. One of the benefits of using this method of heating is the fast heating rate (20°C/s). This paper will help to improve heating parameters by showing their influence on 7075 aluminium alloy recrystallisation. These parameters are the heating rate; heating frequencies-power; presence or not of protective gas; position of the slug in the inductor; energy stored inside the slug; oxide layer on the slug side; chamfer of the slug upper corner.|
|Rights:||This paper was presented at 10th International Conference on Semi-Solid Processing of Alloys and Composites, S2P 2008, September 16th -18th, 2008, Aachen, Germany and Liège, Belgium and published as Solid State Phenomena, 2008, 141-143, pp. 719-724. The final published version is available at www.scientific.net, Doi: 10.4028/www.scientific.net/SSP.141-143.719.|
|Appears in Collections:||Conference Papers & Presentations, Dept. of Engineering|
Published Articles, Dept. of Engineering
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